package com.glowdayz.glowmee;

import java.io.IOException;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.PorterDuff;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.ContextThemeWrapper;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.glowdayz.common.ActivityManager;
import com.glowdayz.common.CDialog;
import com.glowdayz.common.XmlParser;
import com.glowdayz.model.AddItem;
import com.glowdayz.model.UserInfo;
import com.google.android.gcm.GCMRegistrar;

public class Login extends Activity implements OnClickListener, OnCheckedChangeListener {
	
	private ActivityManager am = ActivityManager.getInstance();
	
	EditText eMail = null, password = null;
	CheckBox autoLogin = null;
	TextView searchPw = null;
	ImageView backBt = null, okBt = null;
	TextView autoLoginText = null;
	
	String url = "", mail = null, nickName = null;
	
	String regId = "";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_login);
		
		am.addActivity(this);
		
		backBt = (ImageView) findViewById(R.id.backBt);
		backBt.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN: {
                        ImageView view = (ImageView) v;
                        view.getDrawable().setColorFilter(0x77000000,PorterDuff.Mode.SRC_ATOP);
                        view.invalidate();
                        break;
                    }
                    case MotionEvent.ACTION_UP:
                    case MotionEvent.ACTION_CANCEL: {
                        ImageView view = (ImageView) v;
                        view.getDrawable().clearColorFilter();
                        view.invalidate();
                        break;
                    }
                }
                return false;
            }
        });
		backBt.setOnClickListener(this);
		
		TextView textTitle = (TextView) findViewById(R.id.textTitle);
		textTitle.setText("로그인");
		
		eMail = (EditText) findViewById(R.id.eMail);
		password = (EditText) findViewById(R.id.password);
		
		autoLogin = (CheckBox) findViewById(R.id.autoLogin);
		autoLogin.setOnCheckedChangeListener(this);
		
		autoLoginText = (TextView) findViewById(R.id.autoLoginText);
		autoLoginText.setOnClickListener(this);
		
		searchPw = (TextView) findViewById(R.id.searchPw);
		searchPw.setOnClickListener(this);
		
		okBt = (ImageView) findViewById(R.id.okBt);
		okBt.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN: {
                        ImageView view = (ImageView) v;
                        view.getDrawable().setColorFilter(0x77000000,PorterDuff.Mode.SRC_ATOP);
                        view.invalidate();
                        break;
                    }
                    case MotionEvent.ACTION_UP:
                    case MotionEvent.ACTION_CANCEL: {
                        ImageView view = (ImageView) v;
                        view.getDrawable().clearColorFilter();
                        view.invalidate();
                        break;
                    }
                }
                return false;
            }
        });
		okBt.setOnClickListener(this);
		
		SharedPreferences prefs = getSharedPreferences("Save", MODE_PRIVATE);
		if (prefs.getString("eMail", "") != null && !prefs.getString("eMail", "").equals("") && 
				prefs.getString("pw", "") != null && !prefs.getString("pw", "").equals("")) {
			eMail.setText(prefs.getString("eMail", ""));
			password.setText(prefs.getString("pw", ""));
		}
		/*if (prefs.getBoolean("auto", false)) {
			autoLogin.setChecked(true);
			url = getResources().getString(R.string.server_url) + "/glowmee/loginRegisterXml.do?";
			url += "eMail=" + eMail.getText().toString().trim() + "&password=" + password.getText().toString().trim();
			(new LoginWorker()).execute();
		}
		if (UserInfo.getInstance().isAUTO_LOGIN()) {
			url = getResources().getString(R.string.server_url) + "/glowmee/loginRegisterXml.do?";
			url += "eMail=" + eMail.getText().toString().trim() + "&password=" + password.getText().toString().trim();
			(new LoginWorker()).execute();
		}*/
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.backBt:
			finish();
			break;
		case R.id.okBt:
			String eMailText = eMail.getText().toString().trim();
			if (eMailText.equals("")) {
				Toast.makeText(this, "이메일을 입력하세요.", Toast.LENGTH_SHORT).show();
				return;
			}
			String passwordText = password.getText().toString().trim();
			if (passwordText.equals("")) {
				Toast.makeText(this, "비밀번호를 입력하세요.", Toast.LENGTH_SHORT).show();
				return;
			}
			
			regId = GCMRegistrar.getRegistrationId(Login.this);
			
			url = getResources().getString(R.string.server_url) + "/glowmee/loginRegisterXml.do?";
	        url += "eMail=" + eMailText + "&password=" + passwordText + "&regId=" + regId;
			
			(new LoginWorker()).execute();
			break;
			
		case R.id.searchPw:
			Intent intent = new Intent(Login.this, SearchPw.class);
			startActivity(intent);
			break;
			
		case R.id.autoLoginText:
			if (autoLogin.isChecked()) {
				autoLogin.setChecked(false);
			} else {
				autoLogin.setChecked(true);
			}
			break;
		}
	}
	
	public class LoginWorker extends AsyncTask<Object, AddItem, Object> {
		@Override
		protected void onPreExecute() {
			CDialog.showLoading(Login.this);
		}

		@Override
		protected Object doInBackground(Object... params) {
			Object result = null;
			// XML 파서 생성
			XmlPullParser parser = XmlParser.getInstance().getParser(url);
			// 통신 실패시 예외처리
			if (parser == null) {
				this.cancel(true);
				return null;
			}
			
			try {
				String tag = null;
				int type = parser.getEventType();

				/** 읽은 내용을 담기 위한 변수 */
				String rt = null;
				String rtmsg = null;
				int seq = 0;
				// 파싱 처리를 위한 반복 시작
				while (type != XmlPullParser.END_DOCUMENT) {
					// 읽은 태그의 이름
					tag = parser.getName();

					// 현재 읽고 있는 태그의 종류별로 분기
					switch (type) {
					case XmlPullParser.START_TAG:
						/** 원하는 종류의 시작태그를 만났을 때, 값을 추출 */
						if (tag.equals("rt")) {
							parser.next();
							rt = parser.getText();
						} else if (tag.equals("rtmsg")) {
							parser.next();
							rtmsg = parser.getText();
						} else if (tag.equals("seq")) {
							parser.next();
							seq = Integer.parseInt(parser.getText().trim());
						} else if (tag.equals("mail")) {
							parser.next();
							mail = parser.getText();
						} else if (tag.equals("nickName")) {
							parser.next();
							nickName = parser.getText();
						}
						
						break;

					case XmlPullParser.END_TAG:
						
						if (tag.equals("JSPglowmee")) {
							AddItem item = new AddItem(rt, rtmsg, seq);
							publishProgress(item);
						}
						break;
					}

					// 다음 태그로 이동하고, 상태값을 변경
					type = parser.next();
				}

			} catch (XmlPullParserException e) {
				System.out.println("파서 생성 실패 >> " + e.toString());
			} catch (IOException e) {
				System.out.println("파서 읽기 실패 >> " + e.toString());
			}
			
			return result;
		}

		@Override
		protected void onProgressUpdate(AddItem... param) {
			
			if (param[0].getRt().equals("SUCCESS")) {
				UserInfo.getInstance().setUSER_ID(param[0].getSeq());
				UserInfo.getInstance().setUSER_EMAIL(mail.trim());
				UserInfo.getInstance().setUSER_NICKNAME(nickName.trim());
				
				SharedPreferences prefs = getSharedPreferences("Save", MODE_PRIVATE);      
				SharedPreferences.Editor editor = prefs.edit();
				editor.putString("eMail", eMail.getText().toString().trim()); 
				editor.putString("pw", password.getText().toString().trim());
				if (autoLogin.isChecked()) {
					editor.putBoolean("auto", true);
					UserInfo.getInstance().setAUTO_LOGIN(true);
				} else {
					editor.putBoolean("auto", false);
					UserInfo.getInstance().setAUTO_LOGIN(false);
				}
				
				editor.commit();
				
				Intent intent = new Intent(Login.this, Index.class);
				startActivity(intent);
			} else {
				AlertDialog.Builder alert = new AlertDialog.Builder(new ContextThemeWrapper(Login.this, android.R.style.Theme_Holo_Light_Dialog));
				alert.setTitle("로그인 실패");
				alert.setMessage(param[0].getRtmsg());
				alert.setCancelable(false);
				alert.setPositiveButton("OK", new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
					}
				});
				alert.create();
				alert.show();
			}
			
		}

		@Override
		protected void onPostExecute(Object param) {
			CDialog.hideLoading();
		}
		
		@Override
		protected void onCancelled() {
			CDialog.hideLoading();
			AlertDialog.Builder alert = new AlertDialog.Builder(new ContextThemeWrapper(Login.this, android.R.style.Theme_Holo_Light_Dialog));
			alert.setMessage("일시적인 통신에러입니다.");
			alert.setCancelable(false);
			alert.setPositiveButton("다시 시도", new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					(new LoginWorker()).execute();
				}
			});
			alert.setNegativeButton("뒤로 가기", new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					finish();
				}
			});
			alert.create();
			alert.show();
		}
	}

	@Override
	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
		switch (buttonView.getId()) {
		case R.id.autoLogin:
			if (isChecked) {
				autoLogin.setChecked(true);
			} else {
				autoLogin.setChecked(false);
			}
			break;
		}
	}
	
    @Override
	protected void onDestroy() {
		super.onDestroy();
		am.removeActivity(this);
	}

}
